If you were to ask me what my secret is to a healthy and thriving terrarium, whether it houses moss or tropical plants, I would summarize it in one word: bioactive.
Springtails US
Isopods and Springtails in Vivariums: Essential Bioactive Guides for Reptile Terrariums – VivariumKeeper
Springtails in Terrariums: A Complete Guide
Are these springtails? Plant itself still looks OK so far : r/plantclinic
Where Do Springtails Come From - What's That Bug?
Bioactive Terrarium Bugs for Reptiles
Springtails: a tiny but mighty terrarium crew
I Added the Clean Up Crew to My Bioactive — Now What?
Nano Cribs Invertebrate Bio-active Habitat - USMANTIS
Vivarium Clean up Crew (isopods + Springtails) Update!
How To Make a Springtail Culture - Simple & Easy Method!
Springtails: The Ultimate Cleaning Crew of Your Bio-Active Terrariums and Vivariums - Highland Moss
Bugzy Bugs Springtails & Dwarf White Isopods Live Bioactive Clean Up Crew Bundle Reptile Amphibian Food Bundle : Pet Supplies
Where Do Springtails Come From - What's That Bug?